/*
 * Copyright 2016-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.creactiviti.piper.core.annotations;

import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.type.AnnotatedTypeMetadata;

/**
 * A Condition that evaluates if piper.roles property 
 * contains the value <code>worker</code>.
 *
 * @author Arik Cohen
 * @see ConditionalOnWorker
 */
public class OnWorkerCondition extends SpringBootCondition {

  @Override
  public ConditionOutcome getMatchOutcome(ConditionContext aContext, AnnotatedTypeMetadata aMetadata) {
    String property = aContext.getEnvironment().getProperty("piper.worker.enabled");
    boolean result = Boolean.valueOf(property);
    return new ConditionOutcome(result,ConditionMessage.forCondition(ConditionalOnWorker.class, "(" + getClass().getName() + ")").resultedIn(result));
  }

}
